IPA: /sɪˈdeɪtli/
KK: /sɪˈdeɪtli/
In a calm and controlled manner, without showing much emotion or excitement.
She walked sedately through the park, enjoying the peaceful surroundings.
Sedately → It is formed from "sedate" (from Latin "sedatus", meaning calm or tranquil) and "-ly" (a suffix used to form adverbs). The word "sedately" means in a calm or tranquil manner.
Think of being calm and tranquil ('sedate') and how doing something in that way is described by adding '-ly' to form 'sedately'.